Finding the Fourth Proportional to 3,221,805.38, 4,445,977.61 and 1,771,490.66
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Solution
The fourth proportional to 3,221,805.38, 4,445,977.61 and 1,771,490.66 is: 2,444,594.53
Step by Step Solution
- Step 1: Write the proportion equation
3,221,805.38 : 4,445,977.61 = 1,771,490.66 : x - Step 2: Convert to fraction form
3,221,805.38/4,445,977.61 = 1,771,490.66/x - Step 3: Cross multiply
3,221,805.38x = 4,445,977.61 × 1,771,490.66 - Step 4: Simplify right side
3,221,805.38x = 7,876,007,792,882.96 - Step 5: Solve for x
x = 7,876,007,792,882.96/3,221,805.38 - Step 6: Final answer
x = 2,444,594.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.